Fix Adobe Acrobat Reader could not open PDF because it is either not a supported file type or because the file has been damaged error on PC.

If you have a confidential PDF you want to password protect, you have a few ways to do that on your Windows 11 PC. You can use a desktop app or a web-based tool to encrypt your PDF files.

Once you've decided on a native or alternative PDF reader to open your file and changed your Windows settings, locate the PDF file in File Explorer. Either double-click the file or right-click the ...

Windows allows you to Print files to PDF using Microsoft Print to PDF, which is built into Windows 11/10. No need to use any 3rd-party free software!

Windows 11 doesn’t have a built-in option to merge PDF files. You need to use a third-party solution to accomplish the task.